392a1217de
This is a reland ofc48096d442Original change's description: > Reland "[runtime] Remove extension slots from context objects" > > This is a reland ofc07c02e1c4> > Original change's description: > > [runtime] Remove extension slots from context objects > > > > Context objects have an extension slot, which contains further > > additional data that depends on the type of the context. > > > > This CL removes the extension slot from contexts that don't need > > them, hence reducing memory. > > > > The following contexts will still have an extension slot: native, > > module, await, block and with contexts. See objects/contexts.h for > > what the slot is used for. > > The following contexts will not have an extension slot anymore (they > > were not used before): script, catch and builtin contexts. > > Eval and function contexts only have the extension slot if they > > contain a sloppy eval. > > > > Bug: v8:9744 > > Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191 > > Commit-Queue: Victor Gomes <victorgomes@google.com> > > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > > Reviewed-by: Peter Marshall <petermarshall@chromium.org> > > Auto-Submit: Victor Gomes <victorgomes@google.com> > > Cr-Commit-Position: refs/heads/master@{#64372} > > TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org > > Bug: v8:9744 > Change-Id: I0749cc2d8f59940c25841736634a70047116d647 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1869192 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Peter Marshall <petermarshall@chromium.org> > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Peter Marshall <petermarshall@chromium.org> > Auto-Submit: Victor Gomes <victorgomes@google.com> > Cr-Commit-Position: refs/heads/master@{#64380} TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org Bug: v8:9744 Change-Id: I621ffe98722f8c4defaf277b8d1666484ba2963f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1872400 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Commit-Queue: Victor Gomes <victorgomes@google.com> Cr-Commit-Position: refs/heads/master@{#64451}
157 lines
3.0 KiB
Plaintext
157 lines
3.0 KiB
Plaintext
#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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wrap: yes
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---
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snippet: "
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var a = {x:13, y:14}; return delete a.x;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 12
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 56 S> */ B(LdaConstant), U8(1),
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B(DeletePropertySloppy), R(0),
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/* 74 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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]
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handlers: [
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]
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---
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snippet: "
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'use strict'; var a = {x:13, y:14}; return delete a.x;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 12
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 56 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 70 S> */ B(LdaConstant), U8(1),
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B(DeletePropertyStrict), R(0),
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/* 88 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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]
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handlers: [
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]
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---
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snippet: "
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var a = {1:13, 2:14}; return delete a[2];
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 12
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 56 S> */ B(LdaSmi), I8(2),
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B(DeletePropertySloppy), R(0),
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/* 75 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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]
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handlers: [
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]
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---
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snippet: "
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var a = 10; return delete a;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 7
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(10),
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B(Star), R(0),
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/* 46 S> */ B(LdaFalse),
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/* 62 S> */ B(Return),
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]
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constant pool: [
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]
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handlers: [
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]
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---
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snippet: "
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'use strict';
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var a = {1:10};
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(function f1() {return a;});
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return delete a[1];
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"
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frame size: 2
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parameter count: 1
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bytecode array length: 25
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bytecodes: [
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B(CreateFunctionContext), U8(0), U8(1),
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B(PushContext), R(0),
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/* 30 E> */ B(StackCheck),
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/* 56 S> */ B(CreateObjectLiteral), U8(1), U8(0), U8(41),
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/* 56 E> */ B(StaCurrentContextSlot), U8(2),
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/* 64 S> */ B(CreateClosure), U8(2), U8(0), U8(2),
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/* 93 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
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B(Star), R(1),
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B(LdaSmi), I8(1),
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B(DeletePropertyStrict), R(1),
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/* 112 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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]
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handlers: [
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]
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---
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snippet: "
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return delete 'test';
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"
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frame size: 0
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parameter count: 1
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bytecode array length: 3
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 34 S> */ B(LdaTrue),
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/* 55 S> */ B(Return),
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]
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constant pool: [
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]
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handlers: [
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]
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---
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snippet: "
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return delete this;
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"
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frame size: 0
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parameter count: 1
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bytecode array length: 3
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 34 S> */ B(LdaTrue),
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/* 53 S> */ B(Return),
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]
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constant pool: [
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]
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handlers: [
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]
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